Differentiation Review

Which type of cells have not gone through differentiation yet?

• nerve cells

• skin cells

• stem cells

• muscle cells

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The instructions inside cells are the ____.

• proteins

• genes

• stem cells

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The structures inside cells are the ____.

• proteins

• stem cells

• genes

• DNA

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Cell Differentiation is the process of ____.

• stem cells making more stem cells

• nerve cells making more nerve cells

• stem cells becoming different types of cells

• different types of cells becoming stem cells.

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Each stem cell can differentiate only one time and then cannot change again.

• True

• False

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When certain genes are ____, this will cause a cell to begin differentiating.

• made

• activated

• inactivated

• built

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Skin cells and bone cells have ______ genes activated.

• the same

• different

• all of the

• none of the

Genes are pieces of _____ that have codes to make proteins.

• cells

• DNA

• atoms

• organs

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